<template>
  <section class="loginContainer">
    <div class="loginInner">
      <div class="login_header">
        <h2 class="login_logo">道邦</h2>
        <div class="login_header_title">
          <a href="javascript:;" :class="{on: loginWay}" @click="loginWay=true">短信登录</a>
          <a href="javascript:;" :class="{on: !loginWay}" @click="loginWay=false">密码登录</a>
        </div>
      </div>
      <div class="login_content">
        <form @submit.prevent="login">
          <div :class="{on: loginWay}">
            <section class="login_message">
              <input type="tel" maxlength="11" placeholder="手机号" v-model="phone">
              <button :disabled="!rightPhone" class="get_verification" :class="{right_phone:rightPhone}" @click.prevent="getCode">{{computeTime>0 ? `(${computeTime}s)已发送` : '获取验证码'}}</button>
            </section>
            <section class="login_verification">
              <input type="tel" maxlength="8" placeholder="验证码" v-model="code">
            </section>
            <section class="login_hint">
              温馨提示：未注册道邦帐号的手机号，登录时将自动注册，且代表已同意
              <a href="javascript:;">《用户服务协议》</a>
            </section>
          </div>
          <div :class="{on: !loginWay}">
            <section>
              <section class="login_message">
                <input type="text" maxlength="11" placeholder="手机/邮箱/用户名" v-model="name">
              </section>
              <section class="login_verification">
                <input type="text" maxlength="8" placeholder="密码" v-if="showPwd" v-model="pwd">
                <input type="password" maxlength="8" placeholder="密码" v-else v-model="pwd">
                <div class="switch_button off" :class="showPwd?'on':'off'" @click="showPwd=!showPwd">
                  <div class="switch_circle" :class="{right: showPwd}"></div>
                  <span class="switch_text">{{showPwd ? '' : ''}}</span>
                </div>
              </section>
              <!-- <section class="login_message">
                <input type="text" maxlength="11" placeholder="验证码" v-model="captcha">
                <img class="get_verification" src="http://localhost:4000/captcha" alt="captcha" @click="getCaptcha" ref="captcha">
              </section> -->
            </section>
          </div>
          <button class="login_submit">登录</button>
        </form>
        <div class="otherLogin">
          <p class="title-text"><span>其他方式登录</span></p>
          <ul class="login_types">
            <li @click="wechartLogin">
              <i class="iconfont icon-weixin-copy"></i>
              <b>微信登录</b>
            </li>
          </ul>
        </div>
        <!-- <a href="javascript:;" class="about_us">关于我们</a> -->
      </div>
      <!--利用$router.back()返回上一级路由 -->
      <!-- <a href="javascript:" class="go_back" @click="$router.back()">
        <i class="iconfont icon-arrow-left"></i>
      </a> -->
    </div>
    <!-- <AlertTip :alertText="alertText" v-show="alertShow" @closeTip="closeTip"/> -->
  </section>
</template>
<script>
import { Toast, Indicator } from "mint-ui";
import { reqSendCode, reqSmsLogin, reqPwdLogin, reqWechartLogin } from "../../api";
import {getUrlAllParams, decodeUnicode, encodeUnicode} from '../../util/util.js';
import { mapState } from "vuex";
export default {
  data() {
    return {
      loginWay: false, // true代表短信登陆, false代表密码
      phone: "", // 手机号
      computeTime: 0,
      showPwd: false, // 是否显示密码
      pwd: "",
      name: "", // 用户名
      code: "", // 短信验证码
      captcha: "", // 图形验证码
      alertText: "", // 提示文本
      alertShow: false, // 是否显示警告框
    };
  },
  beforeRouteEnter(to, from, next) {
    next(vm => {
      console.log("vm.curUrl", vm.curUrl)
      console.log('微信返回的全部参数', getUrlAllParams())
      let code = getUrlAllParams() && getUrlAllParams().code;
      // let state = getUrlAllParams() && getUrlAllParams().state;
      // state = decodeUnicode(state).replace('#/login', '');
      // console.log("beforeRouteEnter state", state)
      
      if(code && from.path != "/mine"){
        console.log('微信登录');
        vm.loginByWechartCode(code);
      }
    })
  },
  computed: {
    ...mapState(["curUrl"]),
    rightPhone() {
      // 利用正则对手机号进行匹配，返回布尔值
      return /^1\d{10}$/.test(this.phone);
    }
  },
  methods: {
    async loginByWechartCode(code){
      let path = localStorage.getItem("historyPath") || '/home';
      console.log("确认登录的地址", path)
      const result = await reqWechartLogin({ code: code});
      // 根据结果数据处理
      if (result.code === 1) {
        const user = result.data;
        // 去个人中心界面并保持token, 登录跳转历史记录
        localStorage.setItem("loginInfo", JSON.stringify(user));
        this.$router.replace(path)
      } else {
        // 显示警告提示
        const msg = result.msg;
        Toast(msg);
      }

    },
    // 异步获取短信验证码
    async getCode() {
      // 如果当前没有计时!this.computeTime等于this.computeTime === 0
      if (!this.computeTime) {
        // 启动倒计时
        this.computeTime = 30;
        this.intervalId = setInterval(() => {
          this.computeTime--;
          if (this.computeTime <= 0) {
            // 停止计时
            clearInterval(this.intervalId);
          }
        }, 1000);
      }
      // 发送ajax请求（向指定手机号发送验证码短信）
      const result = await reqSendCode(this.phone);
      if (result.code === 1) {
        // 手机号验证失败
        // 显示提示
        Toast(result.msg);
        // 停止计时
        if (this.computeTime) {
          this.computeTime = 0;
          clearInterval(this.intervalId);
          this.intervalId = undefined;
        }
      }
    },
    // 异步登录
    async login() {
      let result;
      // 前台表单验证
      if (this.loginWay) {
        // 短信登陆
        const { phone, code } = this;
        if (!this.rightPhone) {
          // 手机号不正确
          Toast("手机号不正确");
          return;
        } else if (!/^\d{6}$/.test(code)) {
          // 验证必须是6位数字
          Toast("验证必须是6位数字");
          return;
        }
        // 发送ajax请求短信登陆
        result = await reqSmsLogin(phone, code);
      } else {
        // 密码登陆
        const { name, pwd } = this;
        if (!this.name) {
          // 用户名必须指定
          Toast("用户名必须指定");
          return;
        } else if (!this.pwd) {
          // 密码必须指定
          Toast("密码必须指定");
          return;
        }
        Indicator.open({
          spinnerType: "triple-bounce",
          text: "登录中.."
        });
        // 发送ajax请求密码登陆
        result = await reqPwdLogin({ account: name, password: pwd });
        Indicator.close();
      }

      // 停止计时
      if (this.computeTime) {
        this.computeTime = 0;
        clearInterval(this.intervalId);
        this.intervalId = undefined;
      }

      // 根据结果数据处理
      if (result.code === 1) {
        const user = result.data;
        let path = localStorage.getItem("historyPath") || '/home';
        // 去个人中心界面并保持token, 登录跳转历史记录
        localStorage.setItem("loginInfo", JSON.stringify(user));
        // this.$router.replace((this.curUrl && this.curUrl.fullPath && this.curUrl.fullPath) || '/home')
        this.$router.replace(path)
      } else {
        // 显示警告提示
        const msg = result.msg;
        Toast(msg);
      }
    },
    showAlert(alertText) {
      this.alertShow = true;
      this.alertText = alertText;
    },
    // 关闭警告框
    closeTip() {
      this.alertShow = false;
      this.alertText = "";
    },
    // 获取一个新的图片验证码
    getCaptcha() {
      // 每次指定的src要不一样
      this.$refs.captcha.src =
        "http://localhost:4000/captcha?time=" + Date.now();
    },
    // 微信登录
    wechartLogin() {
      let CropId = 'ww657bec0cb84a4e39'
      let agentId= '1000007'
      let agentSecret = 'UyIKaLsk2w2EmsG2z0HqyD5X2Lj6F7lN4cGEHSH7NeM'
      let redirect_uri = 'http%3a%2f%2fxgj.n3.cn%2fmobile%2f%23%2flogin';
      // let state = encodeUnicode(this.curUrl.fullPath || '/home');
      // console.log('通过点击微信登录', state)
      let url = `https://open.weixin.qq.com/connect/oauth2/authorize?appid=${CropId}&redirect_uri=${redirect_uri}&scope=snsapi_base&response_type=code&agentid=${agentId}&state=123#wechat_redirect`;
      window.location.href=url;
    }
  },
  components: {
  }
};
</script>
<style lang='less' scoped>
// @import "../../common/stylus/mixins.styl";
@import "../../util/themt.less";

.loginContainer {
  width: 100%;
  height: 100%;
  // background: #fff;
  background: @bg;

  .loginInner {
    padding-top: 60px;
    width: 80%;
    margin: 0 auto;

    .login_header {
      .login_logo {
        font-size: 40px;
        font-weight: bold;
        color: @primary;
        text-align: center;
      }

      .login_header_title {
        padding-top: 40px;
        text-align: center;

        > a {
          color: #333;
          font-size: 14px;
          padding-bottom: 4px;

          &:first-child {
            margin-right: 40px;
          }

          &.on {
            color: @primary;
            font-weight: 500;
            border-bottom: 2px solid @primary;
          }
        }
      }
    }

    .login_content {
      > form {
        > div {
          display: none;

          &.on {
            display: block;
          }

          input {
            width: 100%;
            height: 100%;
            padding-left: 10px;
            box-sizing: border-box;
            border: 1px solid #ddd;
            border-radius: 4px;
            outline: 0;
            font: 400 14px Arial;

            &:focus {
              border: 1px solid @primary;
            }
          }

          .login_message {
            position: relative;
            margin-top: 16px;
            height: 48px;
            font-size: 14px;
            background: #fff;

            .get_verification {
              position: absolute;
              top: 50%;
              right: 10px;
              transform: translateY(-50%);
              border: 0;
              color: #ccc;
              font-size: 14px;
              background: transparent;

              &.right_phone {
                color: black;
              }
            }
          }

          .login_verification {
            position: relative;
            margin-top: 16px;
            height: 48px;
            font-size: 14px;
            background: #fff;

            .switch_button {
              font-size: 12px;
              border: 1px solid #ddd;
              border-radius: 8px;
              transition: background-color 0.3s, border-color 0.3s;
              padding: 0 6px;
              width: 30px;
              height: 16px;
              line-height: 16px;
              color: #fff;
              position: absolute;
              top: 50%;
              right: 10px;
              transform: translateY(-50%);

              &.off {
                background: #fff;

                .switch_text {
                  float: right;
                  color: #ddd;
                }
              }

              &.on {
                background: @primary;
              }

              > .switch_circle {
                // transform translateX(27px)
                position: absolute;
                top: -1px;
                left: -1px;
                width: 16px;
                height: 16px;
                border: 1px solid #ddd;
                border-radius: 50%;
                background: #fff;
                box-shadow: 0 2px 4px 0 rgba(0, 0, 0, 0.1);
                transition: transform 0.3s;

                &.right {
                  transform: translateX(14px);
                }
              }
            }
          }

          .login_hint {
            margin-top: 12px;
            color: #999;
            font-size: 14px;
            line-height: 20px;

            > a {
              color: @primary;
            }
          }
        }

        .login_submit {
          display: block;
          width: 100%;
          height: 42px;
          margin-top: 30px;
          border-radius: 4px;
          background: @primary;
          color: #fff;
          text-align: center;
          font-size: 16px;
          line-height: 42px;
          border: 0;
        }
      }

      .about_us {
        display: block;
        font-size: 12px;
        margin-top: 20px;
        text-align: center;
        color: #999;
      }
    }

    .go_back {
      position: absolute;
      top: 5px;
      left: 5px;
      width: 30px;
      height: 30px;

      > .iconfont {
        font-size: 20px;
        color: #999;
      }
    }
  }
}

.otherLogin{
  // display: flex;
  justify-content: center;
  align-items: center;
  margin: 10px;
  // p{
  //   font-size: 12PX;
  //   display: block;
  //   text-align: center;
  //   margin-bottom: 10px;
  // } 
  .title-text{
    margin-bottom: 6px;
  }

  .title-text span {
    display: block;      /*设置为块级元素会独占一行形成上下居中的效果*/
    position: relative;  /*定位横线（当横线的父元素）*/

    color: #999;      /*居中文字的颜色*/
    text-align: center; 
    font-size: 12px;
} 

  .title-text span:before, .title-text span:after { 
      content: ''; 
      position: absolute;   /*定位背景横线的位置*/
      top: 50%; 
      background: #8c8c8c;   /*背景横线颜色*/
      width: 30%;            /*单侧横线的长度*/
      height: 1px; 
  } 

  .title-text span:before { 
      left: 2%;              /*调整背景横线的左右距离*/
  } 

  .title-text span:after { 
      right: 2%; 
  }
  .login_types{
    display: flex;
    justify-content: center;
    align-items: center;
    li{
      color: red;
      display:felx;
      flex-direction: column;
      justify-content:center;
      align-items: center;
      i{
        display: block;
        font-size: 36px;
        text-align: center;
        color: #0bbc13;
      }
      b{
        font-size: 12px;
        display: block;
        margin: 6px 0;
        color: #999;
      }
    }
  }
}
</style>
